Bunn ITCB-DV manual Service TOOLS? No YES, Test OUTPUTS? No YES, Test SWITCHES? No YES

Page 58

PROGRAMMING THE BREWER (cont.)

PROGRAMMING FUNCTIONS - LEVEL 2 (cont.)

Procedure to test switches:

The following switches can be individually tested: Half Batch

Full Batch

Left Hidden Brew A Brew B Brew C

SERVICE TOOLS?

NO YES

	PRESSING NO WILL	BREW	BREW	BREW
	ADVANCE TO	BREW	BREW	BREW
	ADVANCE TO	A	B	C
	FACTORY DEFAULTS	A	B	C

On/Off

1.Press and hold the right hidden button until the dis- play reads SET LANGUAGE. Press the right hidden button until the display reads SERVICE TOOLS.

2.Press and release YES. The display should now read TEST OUTPUTS? Press and release NO to advance to TEST SWITCHES.

3.Press and release YES. The display should now read RIGHT HIDDEN TO EXIT, and then NOTHING

PRESSED.

4.From this screen, press any of the switches on the front of the brewer. While the switch is pressed, the display shows the name of that switch. If the name does not appear, or if it remains after the switch has been released, the switch is defective. Each switch can be tested in this manner.

After all switches have been tested, press and release the right hidden button to return to the TEST SWITCHES screen. To exit programming, press and release the ON/OFF button to return to the MAIN SCREEN.

PRESSING NO WILL

ADVANCE TO

TEST FREQUENCY

TEST OUTPUTS?

NO YES

BREW	BREW	BREW
A	B	C

TEST SWITCHES?

NO YES

BREW	BREW	BREW
A	B	C

RIGHT HIDDEN

TO EXIT

NOTHING PRESSED

AFTER ALL SWITCHES ARE TESTED PRESS RIGHT HIDDEN TO RETURN TO TEST SWITCHES

TEST SWITCHES?

NO YES

BREW	BREW	BREW
A	B	C

TEST FREQUENCY?

NO YES

P2884

Page 58	36748 041504

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Dual Voltage Machine IntroductionVolt Machine User Notices 0 7IRE .$ #29710.0009 Ptional &IELD 7IRING0 7IRE .$ #29710.0010 Conductor for earth ground Dual Volt Toggle Switch Electrical HOOK-UPElectrical Requirements A separate conductor For earth groundPlumbing Hook UP Plumbing RequirementsTank Drain Operating Controls Viewing Assigned Recipes & Asset Number Make sure the ON/OFF switch is OFF LED will not be litInitial SET-UP Repeat for Brew B and Brew CWithout a Smart Funnel and G9-2T DBC Grinder TEA BrewingCoffee Brewing With a Smart Funnel and G9-2T DBC or MHG GrinderCleaning MediumGlossary Glossary Programming Programming SwitchesProgramming Section Ready to Brew Water Temp Programming the BrewerImportant Programming Notes Read Carefully ScreenProgramming Functions Flow Chart Programming the BrewerProcedure for setting Brew Lockout Programming Functions Level Brew LockoutProgramming the Brewer Programming Functions Level 2 Procedure for setting LanguageSET Language Procedure for setting the Units UnitsProcedure for reviewing the recipes Review Recipes Modify recipe, set up standard recipesModify Show and Next Assign Recipe Using a Smart Funnel and a G9-2T DBC or MHG Grinder Master Temp YESDONE? Card Contains Recipe for Coffee Name Setup CompleteReady to Brew Water Temp Coffee Name Show Quit SaveIf the brewing information is not correct, or it is Review RECIPES? No YESStored in the brewer’s memory Coffee Name Modify Show NextRecipe Name Modify Show Next Review Recipes No YESTEA Modify Show Next Brew OZ XX.X Done +Brew OZ Dilute Dely Done +Batches DONE? Read Dilute OZ SET Pulse Brew No YESTea recipe to be modified Water for that particular batch sizeSetting Pulse Brew Easy Pulse Brew TEA Recipes SET Pulse BrewBrew Read Dilute DelyRead Select Method Press and release YES. The display should now read Dilute OZ Press and release DONE. The display should readSelect Method Easy Next Manual 1ST on TimeSET Pulse Brew No YES OFF TimeStep Setting for the batch size just programmed. AfterOccurs for that batch size Read 2 Batches DONE?Coffee recipe to be modified NO-NAME Coffee Modify Show NextSCREEN, press and release the ON/OFF button Coffee Recipes SET Pulse Brew Last on Time Pre-Infusion to 4 minutesRead SET Pulse Brew Size to display the settings for that batch. After aDirectly to step Repeat steps 10, 11Press and release DONE. The display should read TEA Modify Show Next Pulse Brew Coffee Recipes Drip TimeRepeat steps 8 through Using -and +, adjust the brew and faucet tem- perature Master TempUsing -and +, adjust the ready temperature Procedure to set ready temperature Range 2 to 20 F 1 10 CReady Degree Procedure to Write an Ad Enable ADSProcedure to Enable/Disable Ads WriteFrom the NEW AD? screen, press and release Card Card no WriteProcedure for enabling sanitation Range 0.0 to 72.0 hrs Enabl SanitationEnableFreshTimer Enable EnergysavrProcedure to enable energy savings mode DoneCoffee Enable Fresh TimerTimer XXX RefillRefill Range 0 toProcedure to adjust the sprayhead flow rate set- ting Spray OZ/MProcedure to adjust the dilution flow rate setting Dilute OZ/MContainer READY? Quit YES Calibrate FLOW? No YESSpray Head CAL No YES Calibrate Spray Quit StartDilution CAL? No YES Calibrate FLOW? No YESSpray Head CAL No YES Container READY? Quit YESBrew C Xxxx Next Reset Brew a Xxxx Next ResetBrew B Xxxx Next Reset Brew COUNTERS? No YESTools SET Recipe TempsTemps YESEnter Asset #? Procedure to enter the asset numberAsset Number Press and release YES. The display will now read Enter Service #? Service Number Procedure to enter the service number Service TOOLS?Test Switches Service ToolsProcedure to test components and outputs Following components can be individually tested Brew ValveP2883 36748 Test OUTPUTS? No YES Service TOOLS? No YESTest SWITCHES? No YES Right Hidden To Exit Nothing PressedDone QuencyFactory Defaults Factory Defaults No YESWill Replace ALL Brew Settings Are YOU SURE? No YES DefaultsTEA 2 Recipe Factory Default ValuesTEA 1 Recipe TEA 3 RecipeIced Coffee Recipe Factory Default ValuesHOT TEA Recipe NO-NAME Coffee RecipeTroubleshooting Probable Cause TroubleshootingProblem RemedyBrew valve Problem Probable Cause RemedyBrew switch Control BoardLong Problem Probable CauseAutomatic refill will not operate No water Tank drain clampCheck the wiring harness Automatic refill will not operate or Refill valveIf the left three digit number Water flows into tank continuously Refill valveTing To it is secureHeating Time TOO Long Connect a voltmeter across Problem is foundTank heaters Working orderMove the strainer and check for TionStrainer Direction of flow arrow must be Obstructions. Clear or replaceLime buildup Temperature probe Control Board Funnel tip 90 psi 138 and 620 kPa Brew volume adjustmentImproper water pressure Head for lime buildupFor proper extraction Brew cycle should be startedCoffee or tealeaves Water temperatureWeak beverage Type of paper filter Proper extractionSolenoids Remove and clean lime off tank heatersPlumbing lines Water supply Tank heaters Schematic Wiring Diagram ITCB-DV #%-!4#72. $!2!- I4#! I4# Schematic Wiring Diagram ITCB-C-DV